203091520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1080

約数の個数: 112

約数和(自身を含む): 526420080

約数和(自身を除く): 323328560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 320, 340, 370, 544, 592, 629, 680, 740, 1009, 1088, 1184, 1258, 1360, 1480, 2018, 2368, 2516, 2720, 2960, 3145, 4036, 5032, 5045, 5440, 5920, 6290, 8072, 10064, 10090, 11840, 12580, 16144, 17153, 20128, 20180, 25160, 32288, 34306, 37333, 40256, 40360, 50320, 64576, 68612, 74666, 80720, 85765, 100640, 137224, 149332, 161440, 171530, 186665, 201280, 274448, 298664, 322880, 343060, 373330, 548896, 597328, 634661, 686120, 746660, 1097792, 1194656, 1269322, 1372240, 1493320, 2389312, 2538644, 2744480, 2986640, 3173305, 5077288, 5488960, 5973280, 6346610, 10154576, 11946560, 12693220, 20309152, 25386440, 40618304, 50772880, 101545760, 203091520]

約数ペア:

[(1, 203091520), (2, 101545760), (4, 50772880), (5, 40618304), (8, 25386440), (10, 20309152), (16, 12693220), (17, 11946560), (20, 10154576), (32, 6346610), (34, 5973280), (37, 5488960), (40, 5077288), (64, 3173305), (68, 2986640), (74, 2744480), (80, 2538644), (85, 2389312), (136, 1493320), (148, 1372240), (160, 1269322), (170, 1194656), (185, 1097792), (272, 746660), (296, 686120), (320, 634661), (340, 597328), (370, 548896), (544, 373330), (592, 343060), (629, 322880), (680, 298664), (740, 274448), (1009, 201280), (1088, 186665), (1184, 171530), (1258, 161440), (1360, 149332), (1480, 137224), (2018, 100640), (2368, 85765), (2516, 80720), (2720, 74666), (2960, 68612), (3145, 64576), (4036, 50320), (5032, 40360), (5045, 40256), (5440, 37333), (5920, 34306), (6290, 32288), (8072, 25160), (10064, 20180), (10090, 20128), (11840, 17153), (12580, 16144)]